<template>
  <div style="margin-top: 10px;" class="app-contain">
    <el-card style="padding-top: 50px; padding-bottom: 50px;">
      <div class="el-table__empty-text" style="text-align: center; width: 100%;" v-if="total === 0">
        <span>暂无消息</span>
      </div>
      <el-collapse @change="handleChange" class="student-message-list" v-if="total !== 0" accordion>
        <el-collapse-item :name="item.id" :key="item.id" v-for="item in tableData">
          <template slot="title">
            {{ item.title }}
            <el-tag style="margin: 0 8px 0 auto;" :type="readTagFormat(item.readed)">{{
              readTextFormat(item.readed)
            }}</el-tag>
          </template>
          <el-row>
            <label>发送人：{{ item.sendUserName }}</label>
          </el-row>
          <el-row>
            <label>发送时间：{{ item.createTime }}</label>
          </el-row>
          <el-row>
            <label>发送内容：{{ item.content }}</label>
          </el-row>
        </el-collapse-item>
      </el-collapse>
      <pagination
        v-show="total > 0"
        :total="total"
        :background="false"
        :page.sync="queryParam.pageIndex"
        :limit.sync="queryParam.pageSize"
        @pagination="search"
        style="margin-top: 20px;"
      />
    </el-card>
  </div>
</template>

<script>
  import { mapState, mapGetters, mapMutations } from 'vuex'
  import Pagination from '@/components/Pagination'
  import userApi from '@/api/user'

  export default {
    components: { Pagination },
    data() {
      return {
        queryParam: {
          pageIndex: 1,
          pageSize: 10
        },

        listLoading: true,
        tableData: [],
        total: 0
      }
    },
    created() {
      this.search()
    },
    methods: {
      handleChange(val) {
        if (val === '') {
          return
        }
        let _this = this
        let selectItem = this.tableData.filter((d) => d.id === val)[0]
        if (!selectItem.readed) {
          userApi.read(val).then((re) => {
            selectItem.readed = true
            _this.messageCountSubtract(1)
          })
        }
      },
      search() {
        this.listLoading = true
        userApi.messagePageList(this.queryParam).then((data) => {
          const re = data.response
          this.tableData = re.list
          this.total = re.total
          this.queryParam.pageIndex = re.pageNum
          this.listLoading = false
        })
      },
      readTagFormat(status) {
        return this.enumFormat(this.readTag, status)
      },
      readTextFormat(status) {
        return this.enumFormat(this.readText, status)
      },
      ...mapMutations('user', ['messageCountSubtract'])
    },
    computed: {
      ...mapGetters('enumItem', ['enumFormat']),
      ...mapState('enumItem', {
        readTag: (state) => state.user.message.readTag,
        readText: (state) => state.user.message.readText
      })
    }
  }
</script>

<style lang="scss"></style>
